Featured: Energize

Ministerial determinations propose 13813 MW of new-build by IPPs, none by Eskom

. On Friday 20 March 2019, South Africa’s national energy regulator, Nersa, published two draft determinations by Minerals and Energy Minister Gwede Mantashe in terms of Section 34 (1) of the Electricity Regulation Act (ERA). These so-called draft “S34 determinations” are the first step in the process of procurement of new electricity generation capacity in […]

Crunch time for South Africa’s national nuclear company, Necsa

. It is crunch time for South Africa’s state-owned national nuclear company, the South African Nuclear Energy Corporation (Necsa), which ran out of operating capital several months before its financial year-end. The company is desperately awaiting an annual grant allocation of some R500-million from government for its new financial year, which commences on 1 April […]

Dealing with the elephant in the room that is Eskom…

An interview with Public Enterprises Minister Pravin Gordhan by Chris Yelland, managing director, EE Business Intelligence Following a comprehensive interview with Minerals & Energy Minister Gwede Mantashe on energy and electricity policy in South Africa two weeks ago, energy analyst Chris Yelland tackles the Minister of Public Enterprises, Pravin Gordhan, on the big elephant in […]

Interview with Minerals & Energy Minister Gwede Mantashe

. Anyone who wants to understand the mind and thinking of South Africa’s veteran coal miner, trade unionist, politician, ANC chairperson and Minister of Minerals and Energy, Gwede Mantashe, on energy and electricity matters, should read on… In this interview, Chris Yelland of EE Business Intelligence explores wide-ranging energy and electricity issues with Minister Mantashe, […]

Now Media acquires EngineerIT and Energize from EE Publishers

. Now Media (Pty) Ltd, a well-established print and electronic media-house based in Illovo, Johannesburg, has acquired two flagship publications, EngineerIT and Energize, from EE Publishers (Pty) Ltd. EngineerIT magazine covers measurement and instrumentation; electronics design, manufacture testing and components; telecommunications, networking and broadcasting; automation and control; and computer and software engineering. Energize magazine covers […]

Making smart grids smart, makes smart cities smarter

Today’s energy challenges are causing modern cities to curtail their dependence on traditional energy sources and adopt smart grid technology. Smart grid is the effective digitisation of field assets and respective communication of an electrical grid and water infrastructure into a central digital management system that manages grid control systems such as Protection devices with […]

Evolving 4IR technologies and digital substations

The world of electrical energy provision is transforming at a rapid pace. The convention of centralised generation, transmission and distribution is fast changing with the ever-increasing adoption of renewable generation technologies, battery energy storage and new electric applications, such as electric transport. Until now the generation of electrical power has been managed to meet the […]

Energy storage on municipal grids: Why this makes sense

Any cost-conscious electricity consumer will always be on the lookout for ways to optimise their energy use and reduce the money paid for the service. Driven by tariff structure design, the real costs have always been, and remain dependent on the profile of the load. The more “peaky” the load, the more it costs to […]

Challenges of planning future high voltage power system networks

Steady growth and development in South Africa have led to increased demand for electricity and hence the expansion of electric power networks and an evolution to the current power system network. To date, there have been several planning challenges, both technical and non-technical, many of which still persist. It is predicted that there is a […]

Early detection of impending failure in HV cable terminations

In a case study municipal substation, there has been prevalent failures of 88 kV cable terminations after 29 years in operation. All failed terminations were forensically investigated and the failure mechanisms within the cable termination were identified. Furthermore, an online data logging system had been installed in order to record the terminations operating parameters. In […]